i = 1
while i < 5:
    print("1000", i)
    i = i + 1

n = 1
sum = 0
while n < 150:
    sum = sum + n
    n = n + 1
print(sum)

for i in {'周一', '周二', '周三', '周四', '周五'}:
    print(' 今天是', i, end=',')

print()
for a in {'今天', 'wo', '很', '好啊！'}:
    print(a, end='     ')

for b in range(10):
    print(i)

for a in range(1, 10, 2):
    print(a)

for b in range(10, 1, -2):
    print(b)

s = 8
for a in range(1, 181):
    s = s + a
print(s)

i = 1
while i <= 5:
    print('上班星期为：', i)
    i = i + 1
    t = 9
    while t <= 17:
        print('时间段为：', t, end="")
        t = t + 1
    print()

for i in range(1, 6):
        print('上班星期为：', i)
        for j in range(9, 18):
            print('时间段为：', j, end=",")
        print()

i = 1
while i <= 9:
    j = 1
    while j <= i:
        print('%d*%d=%d' % (j, i, j*i), end=" ")
        j = j + 1
    print()
    i = i + 1

for i in range(1, 10):
    for j in range(1, i+1):
        print('%d*%d=%d' % (j, i, j * i), end=" ")
    print()
